Mount Diablo Manzanita
探検植物
Mount Diablo Manzanita
arctostaphylos auriculata
The Mount Diablo Manzanita (Arctostaphylos auriculata) is a rare and striking evergreen shrub endemic to the sandstone slopes of Mount Diablo in Contra Costa County, California. Known for its gorgeous, silvery foliage and smooth, mahogany-colored bark, this chaparral specialist is a true botanical treasure of the San Francisco Bay Area. Its unique ear-like leaf bases, which clasp the stems, set it apart from other manzanita species. As an obligate seeder, this resilient plant relies on the natural cycle of wildfire to crack open its hard seeds and initiate new growth. It plays a vital role in its localized ecosystem, providing crucial nectar for native bees and hummingbirds in late winter when few other plants are in bloom.
生息地: Found primarily on dry sandstone ridges and chaparral slopes in the microclimate of the Mount Diablo region.
外見
This erect shrub typically grows between 100 to 450 centimeters tall, featuring heavily branched structures covered in fine, white-velvety hairs when young, which mature into smooth, dark reddish-brown bark. The most distinguishing feature is its leaves: they are pale gray-green, ovate, densely hairy on both sides, and uniquely overlap or clasp the stem with ear-like lobes at the base. Clusters of small, urn-shaped flowers in shades of white to pale pink bloom in winter, followed by round, sticky, hairy dark red berries.
界Plantae門Tracheophyta綱Magnoliopsida目Ericales科Ericaceae属Arctostaphylos
カテゴリ
植物レア度
Common
危険度
1/5 · 非常に低い
スナップ
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おもしろい事実
Because it lacks a basal burl, this manzanita cannot resprout from its roots after a fire; instead, its entire population regenerates purely from seed.
It is highly localized, found almost exclusively on the sandstone soils of Mount Diablo and nowhere else in the world.
The scientific species name 'auriculata' translates to 'eared' in Latin, referring directly to the ear-shaped lobes at the base of its leaves.
特殊能力
能力
Fire-Triggered Germination
Its seeds have a tough coating that remains dormant in the soil for decades, germinating only after fire opens them.
能力
Ear-Like Leaf Basal Lobes
The overlapping leaf bases clasp the stems tightly, which may help direct condensation down the branches toward the root system.
能力
Woolly Moisture Defense
Dense, soft white hairs covering its leaves and young twigs act as a natural shield to reduce moisture loss.
サイズと詳細
- 長さ
- 100-450 cm
- 寿命
- 20-100 年
食性と食事
As a photoautotrophic plant, it synthesizes its own food using sunlight, carbon dioxide, water, and soil nutrients through photosynthesis.
主な食物
- Sunlight
- Carbon dioxide
- Water
- Soil minerals
生態系とのつながり
mutualism
Vosnesensky Bumble Bee
Bombus vosnesenskii
Feeds on the early winter nectar and serves as a key pollinator for the shrub.
mutualism
Anna's Hummingbird
Calypte anna
Feeds on the winter-blooming flowers' nectar and assists in pollination.
eaten by
Black-tailed Jackrabbit
Lepus californicus
Consumes the fallen berries and potentially aids in seed dispersal.
特徴
このオブジェクトにはまだ特徴バッジが割り当てられていません。
別名
まだ別名はありません。
コレクション
テーマが追加されると、このオブジェクトのコレクションがここに表示されます。
安全性
危険度
1/5 · 非常に低い
まだ特別な安全上の注意はありません。
よくある質問
Mount Diablo Manzanitaを見分けるには？
Mount Diablo Manzanitaを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。
Mount Diablo Manzanitaの長さは何ですか？
100-450 cm
Mount Diablo Manzanitaの寿命は何ですか？
20-100 年
Mount Diablo Manzanitaは何を食べますか？
As a photoautotrophic plant, it synthesizes its own food using sunlight, carbon dioxide, water, and soil nutrients through photosynthesis.
Mount Diablo Manzanitaは通常どこに生息していますか？
Found primarily on dry sandstone ridges and chaparral slopes in the microclimate of the Mount Diablo region.
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